Transcript for YouTube Videos May Give New Insight Into Missing Doctor Case

man solve the case of a missing doctor. She went missing more than three weeks ago, now authorities are taking a close look at tender videos she made just before she disappeared and abc's linzie janis is here with more. Reporter: They're trying to put it together. It's still very much an active investigation. It appears to show patrick addressing a love interest on the internet. These new videos of this missing michigan doctor. I want to show you what i made. Reporter: Seen here preparing a meal for two. May provide the clues investigators need to crack the case. They only raise more questions, her family. Since patrick is single it's unclear to whom she's making reference in these videos. Patrick was last seen on december 5th at this radson hotel, located just five minutes from her home. She was concerned enough about her safety that she elected to go anonymously to a hotel, that suggests to me that she is trying to avoid something or someone. Reporter: Police say patrick tried to pay for a hotel room in cash because she left her purse and some belonging to at work. According to investigators after the hotel denied her a room she went back to the medical center. Patrick appeared age tated. Two hours later, more than a 100 miles away, patrick's car found in a ditch with a flat tire. Inside, her wallet, but no sign of car keys. This morning, the fbi saying as for the doctor herself, no one reported seeing someone walking along the interstate at that time of the night. The fbi assisting with the investigation is appealing to anyone who may have seen patrick or her car on december 5th the night she disappeared. She had been working long hours, she was due to fly out the 24th on christmas eve to see her family in florida. Thank you, linzie. Now let's get a final look at the morning headlines from

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